PiDevCfgConfigureDeviceLocation

__int64 __fastcall PiDevCfgConfigureDeviceLocation(__int64 a1, __int64 a2, _DWORD *a3, _DWORD *a4){
  unsigned int v4; 
  wchar_t *Buffer; 
  int CachedContextBaseKey; 
  NTSTATUS v11; 
  PVOID *v12; 
  int MatchingSubKey; 
  _QWORD *v14; 
  NTSTATUS v15; 
  PVOID *v16; 
  int v17; 
  NTSTATUS v18; 
  NTSTATUS v19; 
  HANDLE v20; 
  __int128 v21; 
  struct _UNICODE_STRING UnicodeString; 
  HANDLE RootHandle; 
  void *KeyHandle; 
  UINT64 ResultLength; 
  HANDLE Handle; 
  struct _OBJECT_ATTRIBUTES ObjectAttributes; 
  void *v28; 
  __int64 v29; 
  __int128 KeyInformation[2]; 
  __int64 v31; 
  v4 = 0;
  v29 = a1;
  v28 = 0i64;
  KeyHandle = 0i64;
  RootHandle = 0i64;
  v20 = 0i64;
  Handle = 0i64;
  v31 = 0i64;
  *(_QWORD *)&UnicodeString.Length = 0i64;
  Buffer = 0i64;
  UnicodeString.Buffer = 0i64;
  LODWORD(ResultLength) = 0;
  v21 = 0i64;
  memset(KeyInformation, 0, sizeof(KeyInformation));
  if( a3 )
    *a3 = 0;
  if( a4 )
    *a4 = 0;
  if( !*(_QWORD *)(a2 + 64) )
    goto LABEL_6;
  CachedContextBaseKey = PnpCtxGetCachedContextBaseKey(PiPnpRtlCtx, 4, (__int64 *)&v28);
  if( CachedContextBaseKey < 0 )
    goto LABEL_7;
  LODWORD(v21) = 3145774;
  *((_QWORD *)&v21 + 1) = L"Control\\DeviceLocations";
  ObjectAttributes.RootDirectory = v28;
  *(_QWORD *)&ObjectAttributes.Length = 48i64;
  ObjectAttributes.ObjectName = (_UNICODE_STRING *)&v21;
  *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  v11 = ZwOpenKey(&KeyHandle, 0x20019u, &ObjectAttributes);
  CachedContextBaseKey = v11;
  if( v11 == -1073741772 )
    goto LABEL_6;
  if( v11 < 0 )
    goto LABEL_7;
  CachedContextBaseKey = NtQueryKey(KeyHandle, KeyCachedInformation, KeyInformation, 0x28ui64, &ResultLength);
  if( CachedContextBaseKey < 0 )
    goto LABEL_7;
  if( !HIDWORD(KeyInformation[0]) )
    goto LABEL_6;
  MatchingSubKey = PnpOpenFirstMatchingSubKey(*(WCHAR **)(a2 + 64), KeyHandle, v12);
  CachedContextBaseKey = MatchingSubKey;
  if( MatchingSubKey == -1073741772 )
    goto LABEL_6;
  if( MatchingSubKey < 0 )
    goto LABEL_7;
  v14 = (_QWORD *)(a2 + 32);
  while( 1 )
  {
    if( !*v14 )
      goto LABEL_34;
    if( Buffer )
      RtlFreeAnsiString(&UnicodeString);
    if( !PnpDuplicateUnicodeString(&UnicodeString, (UNICODE_STRING *)(16i64 * v4 + a2 + 24)) )
      break;
    v15 = IopReplaceSeperatorWithPound(&UnicodeString, &UnicodeString);
    Buffer = UnicodeString.Buffer;
    if( v15 >= 0 )
    {
      v17 = PnpOpenFirstMatchingSubKey(UnicodeString.Buffer, RootHandle, v16);
      CachedContextBaseKey = v17;
      if( v17 == -1073741772 )
      {
        CachedContextBaseKey = 0;
      }
      else if( v17 < 0 )
      {
        goto LABEL_7;
      }
      if( v20 )
        goto LABEL_37;
    }
    else
    {
      CachedContextBaseKey = 0;
    }
LABEL_34:
    ++v4;
    v14 += 2;
    if( v4 >= 2 )
      goto LABEL_37;
  }
  CachedContextBaseKey = -1073741670;
LABEL_37:
  if( CachedContextBaseKey >= 0 )
  {
    if( v20 )
      goto LABEL_41;
    LODWORD(v21) = 262146;
    *((_QWORD *)&v21 + 1) = L"*";
    ObjectAttributes.RootDirectory = RootHandle;
    *(_QWORD *)&ObjectAttributes.Length = 48i64;
    ObjectAttributes.ObjectName = (_UNICODE_STRING *)&v21;
    *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
    v20 = 0i64;
    *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
    v18 = ZwOpenKey(&v20, 0x20019u, &ObjectAttributes);
    CachedContextBaseKey = v18;
    if( v18 != -1073741772 )
    {
      if( v18 < 0 )
        goto LABEL_7;
LABEL_41:
      LODWORD(v21) = 1835034;
      *((_QWORD *)&v21 + 1) = L"Configuration";
      ObjectAttributes.RootDirectory = v20;
      *(_QWORD *)&ObjectAttributes.Length = 48i64;
      ObjectAttributes.ObjectName = (_UNICODE_STRING *)&v21;
      *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
      *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
      v19 = ZwOpenKey(&Handle, 0x20019u, &ObjectAttributes);
      CachedContextBaseKey = v19;
      if( v19 != -1073741772 )
      {
        if( v19 >= 0 )
          CachedContextBaseKey = PiDevCfgConfigureDeviceKeys(v29, a2, Handle, -1, a3, a4);
        goto LABEL_7;
      }
    }
LABEL_6:
    CachedContextBaseKey = 0;
  }
LABEL_7:
  RtlFreeAnsiString(&UnicodeString);
  if( Handle )
    ZwClose(Handle);
  if( v20 )
    ZwClose(v20);
  if( RootHandle )
    ZwClose(RootHandle);
  if( KeyHandle )
    ZwClose(KeyHandle);
  return(unsigned int)CachedContextBaseKey;
}

Referenced by: